import {
    animate,
    group,
    query,
    style,
    transition,
    trigger,
} from '@angular/animations';

import { BrowserApi } from '../browser/browserApi';

const queryShown = query(':enter, :leave', [
    style({ position: 'fixed', width: '100%', height: '100%' }),
], { optional: true });

// ref: https://github.com/angular/angular/issues/15477
const queryChildRoute = query('router-outlet ~ *', [
    style({}),
    animate(1, style({})),
], { optional: true });

const speed = '0.4s';

export function queryTranslate(direction: string, axis: string, from: number, to: number, zIndex: number = 1000) {
    return query(':' + direction, [
        style({ transform: 'translate' + axis + '(' + from + '%)', zIndex: zIndex, boxShadow: '0 3px 2px -2px gray' }),
        animate(speed + ' ease-in-out', style({ transform: 'translate' + axis + '(' + to + '%)' })),
    ], { optional: true });
}

export function queryTranslateX(direction: string, from: number, to: number, zIndex: number = 1000) {
    return queryTranslate(direction, 'X', from, to, zIndex);
}

export function queryTranslateY(direction: string, from: number, to: number, zIndex: number = 1000) {
    return queryTranslate(direction, 'Y', from, to, zIndex);
}

const inSlideLeft = [
    queryShown,
    group([
        queryTranslateX('enter', 100, 0),
        queryTranslateX('leave', 0, -100),
        queryChildRoute,
    ]),
];

const outSlideRight = [
    queryShown,
    group([
        queryTranslateX('enter', -100, 0),
        queryTranslateX('leave', 0, 100),
    ]),
];

const inSlideUp = [
    queryShown,
    group([
        queryTranslateY('enter', 100, 0, 1010),
        queryTranslateY('leave', 0, 0),
        queryChildRoute,
    ]),
];

const outSlideDown = [
    queryShown,
    group([
        queryTranslateY('enter', 0, 0),
        queryTranslateY('leave', 0, 100, 1010),
    ]),
];

const inSlideDown = [
    queryShown,
    group([
        queryTranslateY('enter', -100, 0, 1010),
        queryTranslateY('leave', 0, 0),
        queryChildRoute,
    ]),
];

const outSlideUp = [
    queryShown,
    group([
        queryTranslateY('enter', 0, 0),
        queryTranslateY('leave', 0, -100, 1010),
    ]),
];

export function tabsToCiphers(fromState: string, toState: string) {
    if (fromState == null || toState === null || toState.indexOf('ciphers_') === -1) {
        return false;
    }
    return (fromState.indexOf('ciphers_') === 0 && fromState.indexOf('ciphers_direction=b') === -1) ||
        fromState === 'tabs';
}

export function ciphersToTabs(fromState: string, toState: string) {
    if (fromState == null || toState === null || fromState.indexOf('ciphers_') === -1) {
        return false;
    }
    return toState.indexOf('ciphers_direction=b') === 0 || toState === 'tabs';
}

export function ciphersToView(fromState: string, toState: string) {
    if (fromState == null || toState === null) {
        return false;
    }
    return fromState.indexOf('ciphers_') === 0 &&
        (toState === 'view-cipher' || toState === 'add-cipher' || toState === 'clone-cipher');
}

export function viewToCiphers(fromState: string, toState: string) {
    if (fromState == null || toState === null) {
        return false;
    }
    return (fromState === 'view-cipher' || fromState === 'add-cipher' || fromState === 'clone-cipher') &&
        toState.indexOf('ciphers_') === 0;
}

export const routerTransition = trigger('routerTransition', [
    transition('void => home', inSlideLeft),
    transition('void => tabs', inSlideLeft),

    transition('home => environment, home => login, home => register', inSlideUp),

    transition('login => home', outSlideDown),
    transition('login => hint', inSlideUp),
    transition('login => tabs, login => 2fa', inSlideLeft),

    transition('hint => login, register => home, environment => home', outSlideDown),

    transition('2fa => login', outSlideRight),
    transition('2fa => 2fa-options', inSlideUp),
    transition('2fa-options => 2fa', outSlideDown),
    transition('2fa => tabs', inSlideLeft),

    transition(tabsToCiphers, inSlideLeft),
    transition(ciphersToTabs, outSlideRight),

    transition(ciphersToView, inSlideUp),
    transition(viewToCiphers, outSlideDown),

    transition('tabs => view-cipher', inSlideUp),
    transition('view-cipher => tabs', outSlideDown),

    transition('view-cipher => edit-cipher, view-cipher => cipher-password-history', inSlideUp),
    transition('edit-cipher => view-cipher, cipher-password-history => view-cipher, edit-cipher => tabs', outSlideDown),

    transition('view-cipher => clone-cipher', inSlideUp),
    transition('clone-cipher => view-cipher, clone-cipher => tabs', outSlideDown),

    transition('tabs => add-cipher', inSlideUp),
    transition('add-cipher => tabs', outSlideDown),

    transition('generator => generator-history, tabs => generator-history', inSlideLeft),
    transition('generator-history => generator, generator-history => tabs', outSlideRight),

    transition('add-cipher => generator, edit-cipher => generator, clone-cipher => generator', inSlideUp),
    transition('generator => add-cipher, generator => edit-cipher, generator => clone-cipher', outSlideDown),

    transition('edit-cipher => share-cipher', inSlideUp),
    transition('share-cipher => edit-cipher, share-cipher => view-cipher', outSlideDown),

    transition('edit-cipher => attachments, edit-cipher => collections', inSlideLeft),
    transition('attachments => edit-cipher, collections => edit-cipher', outSlideRight),

    transition('clone-cipher => attachments, clone-cipher => collections', inSlideLeft),
    transition('attachments => clone-cipher, collections => clone-cipher', outSlideRight),

    transition('tabs => export', inSlideLeft),
    transition('export => tabs', outSlideRight),

    transition('tabs => folders', inSlideLeft),
    transition('folders => tabs', outSlideRight),

    transition('folders => edit-folder, folders => add-folder', inSlideUp),
    transition('edit-folder => folders, add-folder => folders', outSlideDown),

    transition('tabs => sync', inSlideLeft),
    transition('sync => tabs', outSlideRight),

    transition('tabs => options', inSlideLeft),
    transition('options => tabs', outSlideRight),

    transition('tabs => premium', inSlideLeft),
    transition('premium => tabs', outSlideRight),
]);

if (!BrowserApi.isSafariApi) {
    routerTransition.definitions.push(transition('tabs => lock', inSlideDown));
}
